/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package CONTROLLER;
import MODEL.DAO.*;
import MODEL.POJO.*;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
import javax.servlet.http.HttpSession;

/**
 *
 * @author samph
 */
@WebServlet(name = "LoginAdminController", urlPatterns = {"/LoginAdminController"})
public class LoginAdminController extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        //PrintWriter out = response.getWriter();
          HttpSession session = request.getSession();
        try {
           String action = (String) request.getParameter("action");
           if(action.equals("View"))
           {
            request.getRequestDispatcher("User/LoginAdmin.jsp").forward(request, response);
           }
           if(action.equals("Login"))
           {
                String pass = request.getParameter("pass");
                String username = request.getParameter("username");
               
                String s ="";
                 List<Administrators> ds = AdministratorsDao.KiemTraDangNhapAdmin(username, pass);
                if(ds.size()>0)
                {
                    s= "1";
                    session.setAttribute("UserAdmin", ds.get(0));
                }
                else
                    s ="2";
                response.setContentType("text/javascript");                
                response.getOutputStream().print(s);
                response.flushBuffer();
                return;
           }
        } finally {            
            //out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
